Toshiba enters the growing Chromebook market with the first 13-inch model. It's a great size for switching between travel and home/office use and feels comfortable to type on, but other Chromebooks offer more features for the same price.

Chrome OS struggles with the delineation between apps and Web sites, even though they are fast growing together. Great for students and casual home use, the day is coming when it'll be competitive, but it's not yet a replacement for a more mature OS.

One of the nicer-looking and better-performing Chrome OS systems, the 13-inch Acer Chromebook adds some zip by ditching Intel for an Nvidia processor, but also hits a few issues with popular Chrome apps.

Samsung keeps the nice-looking design of its previous 11.6-inch Chromebook 2 while making it a little more durable and puts live support help just a click away, making it a noteworthy update to the company's Chrome-computing lineup.